This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A073212 #10 Apr 21 2023 23:43:49 %S A073212 5,8,5,9,7,17,3,14,7,11,9,13,18,7,13,8,4,6,13,7,12,2,8,12,10,7,15,4,5, %T A073212 12,11,11,6,4,12,17,11,8,14,14,3,10,16,3,18,12,9,16,14,10,5,14,13,9,4, %U A073212 18,13,10,18,10,11,11,11,9,10,2,11,8,8,12,10,3,6,5 %N A073212 n-th digit of Pi + n-th digit of e. %D A073212 GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See page 79. %H A073212 Harvey P. Dale, <a href="/A073212/b073212.txt">Table of n, a(n) for n = 0..1000</a> %e A073212 Pi = 3.141592..., e = 2.718281... so we have a(0)=3+2=5, a(1)=1+7=8, a(2)=4+1=5, ... . %t A073212 RealDigits[Pi,10,120][[1]]+ RealDigits[E,10,120][[1]] (* _Harvey P. Dale_, Oct 16 2011 *) %Y A073212 Cf. A000796, A001113. %K A073212 easy,nonn,base %O A073212 0,1 %A A073212 Y. Kelly Itakura (yitkr(AT)mta.ca), Aug 22 2002 %E A073212 More terms from _Harvey P. Dale_, Oct 16 2011